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libertas: convert DATA_RATE to a direct command

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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams
2007-12-11 15:50:59 -05:00
committed by David S. Miller
parent 79a9a37c1e
commit 8e3c91bb70
6 changed files with 82 additions and 55 deletions
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91
drivers/net/wireless/libertas/cmd.c
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@@ -706,30 +706,86 @@ static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
return 0;
}
static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
/**
* @brief Get the current data rate
*
* @param priv A pointer to struct lbs_private structure
*
* @return The data rate on success, error on failure
*/
int lbs_get_data_rate(struct lbs_private *priv)
{
struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
struct cmd_ds_802_11_data_rate cmd;
int ret = -1;
lbs_deb_enter(LBS_DEB_CMD);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
S_DS_GEN);
cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
pdatarate->action = cpu_to_le16(cmd_action);
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
pdatarate->rates[0] = lbs_data_rate_to_fw_index(priv->cur_rate);
lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
priv->cur_rate);
} else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
if (ret)
goto out;
lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
out:
lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
return ret;
}
/**
* @brief Set the data rate
*
* @param priv A pointer to struct lbs_private structure
* @param rate The desired data rate, or 0 to clear a locked rate
*
* @return 0 on success, error on failure
*/
int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
{
struct cmd_ds_802_11_data_rate cmd;
int ret = 0;
lbs_deb_enter(LBS_DEB_CMD);
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
if (rate > 0) {
cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
if (cmd.rates[0] == 0) {
lbs_deb_cmd("DATA_RATE: invalid requested rate of"
" 0x%02X\n", rate);
ret = 0;
goto out;
}
lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
} else {
cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
lbs_deb_cmd("DATA_RATE: setting auto\n");
}
lbs_deb_leave(LBS_DEB_CMD);
return 0;
ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
if (ret)
goto out;
lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
/* FIXME: get actual rates FW can do if this command actually returns
* all data rates supported.
*/
priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
out:
lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
return ret;
}
static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
@@ -1348,9 +1404,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
break;
case CMD_802_11_DATA_RATE:
ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
break;
case CMD_802_11_RATE_ADAPT_RATESET:
ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
cmdptr, cmd_action);